/**
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 *   
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 */
package org.jiopi.ibean.kernel;

/**
 * 
 * 名字版本
 * 
 * 用于以 name version 表示唯一资源的对象
 * 
 * 一个 NameVersion 对象必须包含 name version两部分
 * 
 * @since 2010.4.19
 *
 */
public class NameVersion extends Version{
	
	public final String name;
	/**
	 * 唯一资源ID
	 */
	public final String id;
	
	public NameVersion(String name,String version){
		super(version);
		if(name == null)throw new IllegalArgumentException("name can't be null");
		this.name = name;
		this.id = name+"-"+this.version;
	}
	
	public NameVersion(NameVersion nameVersion){
		super(nameVersion.version);
		this.name = nameVersion.name;
		this.id = this.name+"-"+this.version;
	}
	
	public int hashCode() {
		return id.hashCode();
	}
	
	public boolean equals( Object obj ) {
		if ( this == obj ) {
			return true;
		}
		if ( obj == null ) {
			return false;
		}
		if ( !( obj instanceof NameVersion ) ) {
			return false;
		}
		NameVersion other = (NameVersion) obj;
		return id.equals( other.id);
	}
	
	public String toString() {
		return "NameVersion [id=" + id + "]";
	}
	
}
